Can delete comments.

app/src/main/java/org/communiquons/android/comunic/client/data/comments/CommentsHelper.java

@@ -102,6 +102,32 @@ public class CommentsHelper {
 
     }
 
+    /**
+     * Intend to delete a comment
+     *
+     * @param commentID The ID of the comment to delete
+     * @return TRUE in case of success / FALSE else
+     */
+    public boolean delete(int commentID){
+
+        //Prepare an API request
+        APIRequestParameters params = new APIRequestParameters(mContext, "comments/delete");
+        params.addInt("commentID", commentID);
+
+        //Try to perform the request
+        try {
+
+            APIResponse response = new APIRequest().exec(params);
+
+            return response.getResponse_code() == 200;
+
+        } catch (Exception e){
+            e.printStackTrace();
+            return false;
+        }
+
+    }
+
     /**
      * Parse a json array that contains comment and return the list of comments as an object
      *

app/src/main/java/org/communiquons/android/comunic/client/ui/adapters/CommentsAdapter.java

@@ -29,12 +29,7 @@ import java.util.ArrayList;
  * Created by pierre on 3/11/18.
  */
 
-public class CommentsAdapter extends ArrayAdapter<Comment> {
+class CommentsAdapter extends ArrayAdapter<Comment> {
-
-    /**
-     * Comment helper
-     */
-    private static CommentsHelper mCHelper = null;
 
     /**
      * Class constructor
@@ -51,39 +46,37 @@ public class CommentsAdapter extends ArrayAdapter<Comment> {
      *
      * @param context The context of the application
      * @param comment The comment to fill
+     * @param listener The actions update listener
      * @param user Information about the user (NULL for none)
      * @param viewGroup Target view group
      * @return Generated view
      */
-    static View getInflatedView(Context context, Comment comment, @Nullable UserInfo user,
+    static View getInflatedView(Context context, Comment comment,
-                                       ViewGroup viewGroup){
+                                PostsAdapter.onPostUpdate listener,
-
+                                @Nullable UserInfo user, ViewGroup viewGroup){
-        //Create comment helper if required
-        if(mCHelper == null){
-            mCHelper = new CommentsHelper(context.getApplicationContext());
-        }
 
         //Inflate a view
         View v = LayoutInflater.from(context).inflate(R.layout.comment_item, viewGroup, false);
 
         //Return filled view
-        return fillView(context, v, comment, user);
+        return fillView(context, v, comment, user, listener);
 
     }
 
     /**
      * Fill a view with a specified comments informations
      *
-     * @param context The context of the acivitiy / application
+     * @param context The context of the activity / application
      * @param view The view to update
      * @param comment The comment to update
      * @param user Information about the user (NULL for none)
+     * @param listener Posts updates listener
      * @return Updated view
      */
-    private static View fillView(final Context context, View view, Comment comment,
+    private static View fillView(final Context context, final View view, final Comment comment,
-                                 @Nullable UserInfo user) {
+                                 @Nullable UserInfo user, final PostsAdapter.onPostUpdate listener) {
 
-        //Check wether the current user is the owner of the comment or not
+        //Check whether the current user is the owner of the comment or not
         final boolean isOwner = AccountUtils.getID(context) == comment.getUserID();
 
         //Update user name and account image
@@ -105,21 +98,13 @@ public class CommentsAdapter extends ArrayAdapter<Comment> {
         //Update comment actions
         ImageButton actions = view.findViewById(R.id.comment_actions_btn);
 
-        //Create context menu
+        actions.setOnClickListener(new View.OnClickListener() {
-        actions.setOnCreateContextMenuListener(new View.OnCreateContextMenuListener() {
             @Override
-            public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
+            public void onClick(View v) {
-
+                listener.showCommentActions(view, comment);
-                //Inflate the menu
-                new MenuInflater(context).inflate(R.menu.menu_comments_actions, menu);
-
-                //Disable some entries accordingly to ownership status
-                menu.findItem(R.id.action_delete).setEnabled(isOwner);
-
             }
         });
 
-
         //Return view
         return view;
 

app/src/main/java/org/communiquons/android/comunic/client/ui/adapters/PostsAdapter.java

@@ -1,36 +1,25 @@
 package org.communiquons.android.comunic.client.ui.adapters;
 
 import android.content.Context;
-import android.os.AsyncTask;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.util.ArrayMap;
-import android.util.Log;
-import android.util.Pair;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
-import android.widget.EditText;
 import android.widget.ImageButton;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
-import android.widget.RelativeLayout;
 import android.widget.TextView;
-import android.widget.Toast;
 
 import org.communiquons.android.comunic.client.R;
-import org.communiquons.android.comunic.client.data.DatabaseHelper;
 import org.communiquons.android.comunic.client.data.ImageLoad.ImageLoadManager;
-import org.communiquons.android.comunic.client.data.UsersInfo.GetUsersHelper;
-import org.communiquons.android.comunic.client.data.UsersInfo.GetUsersInfos;
 import org.communiquons.android.comunic.client.data.UsersInfo.UserInfo;
 import org.communiquons.android.comunic.client.data.comments.Comment;
-import org.communiquons.android.comunic.client.data.comments.CommentsHelper;
 import org.communiquons.android.comunic.client.data.posts.Post;
 import org.communiquons.android.comunic.client.data.posts.PostTypes;
 import org.communiquons.android.comunic.client.data.posts.PostsList;
-import org.communiquons.android.comunic.client.data.utils.StringsUtils;
 import org.communiquons.android.comunic.client.data.utils.UiUtils;
 import org.communiquons.android.comunic.client.data.utils.Utilities;
 import org.communiquons.android.comunic.client.ui.views.EditCommentContentView;
@@ -184,7 +173,7 @@ public class PostsAdapter extends ArrayAdapter<Post>{
 
                 //Inflate the view
                 View commentView = CommentsAdapter.getInflatedView(getContext(), comment,
-                        commentUser, commentsView);
+                        mListener, commentUser, commentsView);
                 commentsView.addView(commentView);
             }
         }
@@ -269,5 +258,20 @@ public class PostsAdapter extends ArrayAdapter<Post>{
          */
         void onCreateComment(int pos, View button, Post post, EditCommentContentView input);
 
+        /**
+         * Show the available actions for a comment
+         *
+         * @param button The button that provoqued the event
+         * @param comment Target comment for the actions
+         */
+        void showCommentActions(View button, Comment comment);
+
+        /**
+         * Handles the process of deletion of a comment.
+         *
+         * @param comment The comment to delete
+         */
+        void deleteComment(Comment comment);
+
     }
 }

app/src/main/java/org/communiquons/android/comunic/client/ui/fragments/PostsListFragment.java

@@ -1,18 +1,24 @@
 package org.communiquons.android.comunic.client.ui.fragments;
 
+import android.app.AlertDialog;
 import android.app.Fragment;
+import android.content.DialogInterface;
 import android.os.AsyncTask;
 import android.os.Bundle;
 import android.support.annotation.Nullable;
 import android.util.ArrayMap;
 import android.util.Pair;
+import android.view.ContextMenu;
 import android.view.LayoutInflater;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ListView;
 import android.widget.Toast;
 
 import org.communiquons.android.comunic.client.R;
+import org.communiquons.android.comunic.client.data.Account.AccountUtils;
 import org.communiquons.android.comunic.client.data.DatabaseHelper;
 import org.communiquons.android.comunic.client.data.UsersInfo.GetUsersHelper;
 import org.communiquons.android.comunic.client.data.UsersInfo.UserInfo;
@@ -38,6 +44,26 @@ import java.util.ArrayList;
 public class PostsListFragment extends Fragment
     implements PostsAdapter.onPostUpdate {
 
+    /**
+     * Menu action : no action
+     */
+    private int MENU_ACTION_NONE = 0;
+
+    /**
+     * Menu action : comment actions
+     */
+    private int MENU_ACTION_COMMENTS = 1;
+
+    /**
+     * The current menu action
+     */
+    private int MENU_ACTION = MENU_ACTION_NONE;
+
+    /**
+     * Current processed comment that context menu display actions for
+     */
+    private Comment mCurrCommentInContextMenu;
+
     /**
      * The list of posts
      */
@@ -214,4 +240,99 @@ public class PostsListFragment extends Fragment
             }
         }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
     }
+
+    @Override
+    public void showCommentActions(View button, final Comment comment) {
+
+        //Prepare context menu button rendering
+        button.setOnCreateContextMenuListener(new View.OnCreateContextMenuListener() {
+            @Override
+            public void onCreateContextMenu(ContextMenu menu, View v,
+                                            ContextMenu.ContextMenuInfo menuInfo) {
+
+                //Inflate the menu
+                MenuInflater inflater = getActivity().getMenuInflater();
+                inflater.inflate(R.menu.menu_comments_actions, menu);
+
+                //Disable moderation actions if required
+                if(comment.getUserID() != AccountUtils.getID(getActivity()))
+                    menu.findItem(R.id.action_delete).setEnabled(false);
+
+                //Save information about the comment in the fragment
+                MENU_ACTION = MENU_ACTION_COMMENTS;
+                mCurrCommentInContextMenu = comment;
+            }
+        });
+
+        //Show the context menu of the button
+        button.showContextMenu();
+
+    }
+
+    @Override
+    public void deleteComment(final Comment comment) {
+
+        //Show a confirmation dialog
+        new AlertDialog.Builder(getActivity())
+                .setTitle(R.string.popup_deletecomment_title)
+                .setMessage(R.string.popup_deletecomment_message)
+                .setNegativeButton(R.string.popup_deletecomment_cancel, null)
+
+                //Set confirmation action
+                .setPositiveButton(R.string.popup_deletecomment_confirm,
+                        new DialogInterface.OnClickListener() {
+                    @Override
+                    public void onClick(DialogInterface dialog, int which) {
+
+                        //Mark the comment as deleted and refresh the list of comments
+                        comment.setDeleted(true);
+                        mPostsAdapter.notifyDataSetChanged();
+
+                        //Perform a deletion request on the server
+                        new AsyncTask<Integer, Void, Boolean>(){
+
+                            @Override
+                            protected Boolean doInBackground(Integer... params) {
+                                return mCommentsHelper.delete(params[0]);
+                            }
+
+                            @Override
+                            protected void onPostExecute(Boolean res) {
+                                if(getActivity() == null)
+                                    return;
+
+                                if(!res)
+                                    Toast.makeText(getActivity(), R.string.err_delete_comment,
+                                            Toast.LENGTH_SHORT).show();
+                            }
+                        }.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, comment.getId());
+                    }
+                })
+                .show();
+
+    }
+
+    @Override
+    public boolean onContextItemSelected(MenuItem item) {
+
+        //Check if this fragment has recently created a menu or not
+        if(MENU_ACTION == MENU_ACTION_NONE)
+            return false;
+
+        //Check if a comment action context menu has been created
+        if(MENU_ACTION == MENU_ACTION_COMMENTS){
+
+            //Check for comment information
+            if(mCurrCommentInContextMenu == null)
+                return false;
+
+            //Check the action to perform
+            if(item.getItemId() == R.id.action_delete){
+                deleteComment(mCurrCommentInContextMenu);
+                return true;
+            }
+        }
+
+        return super.onContextItemSelected(item);
+    }
 }

app/src/main/res/values/strings.xml

@@ -106,4 +106,9 @@
     <string name="err_create_comment">An error occurred while trying to create comment!</string>
     <string name="action_send">Send</string>
     <string name="action_delete_comment">Delete</string>
+    <string name="popup_deletecomment_title">Delete comment</string>
+    <string name="popup_deletecomment_message">Are you sure do you want to delete this comment? The operation is unrecoverable !</string>
+    <string name="popup_deletecomment_cancel">No</string>
+    <string name="popup_deletecomment_confirm">Yes</string>
+    <string name="err_delete_comment">An error occurred while trying to delete the comment !</string>
 </resources>